Description:1. made from heat proof & moisture proof material & plugs.2. The harness up to 2.5 meters that is enough for you to put it where you want.3. 40A safety protective relay.4. The fuse perfectly being as the first line of defense against over-current & short circuit.5. Suitable for offroad vehicle, ATVs, truck, tractor, engineering vehicles, etc. Specifications: Color Black Output 5VRelay 12V 40 A Switch DC 12V 20A / DC 24V 10 A Wattage Up to 300 W Length Around 2.5m Size As the picture show Note:1. We provide clear pictures, measurements where possible. Please check as much as possible to make sure the product is the one that you need.2. Please allow 0.1-0.5cm differs due to manual measurement. Package Included:1 X Wiring Harness Kit